./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.BOUNDED-16.pals+Problem12_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.BOUNDED-16.pals+Problem12_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd8a96fdb8807606f7a9678fd7e5d9dbb0513fb3d4de52e55fd264158d66cf55 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:26:32,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:26:32,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:26:32,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:26:32,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:26:32,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:26:32,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:26:32,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:26:32,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:26:32,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:26:32,530 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:26:32,531 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:26:32,531 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:26:32,532 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:26:32,532 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:26:32,533 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:26:32,533 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:26:32,534 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:26:32,534 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:26:32,535 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:26:32,535 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:26:32,536 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:26:32,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:26:32,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:26:32,537 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:26:32,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:26:32,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:26:32,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:26:32,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:26:32,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:26:32,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:26:32,544 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:26:32,544 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:26:32,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:26:32,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:26:32,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:26:32,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:26:32,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:26:32,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:26:32,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:26:32,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:26:32,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:26:32,550 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:26:32,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:26:32,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:26:32,550 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:26:32,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:26:32,551 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd8a96fdb8807606f7a9678fd7e5d9dbb0513fb3d4de52e55fd264158d66cf55 [2024-11-09 06:26:32,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:26:32,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:26:32,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:26:32,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:26:32,811 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:26:32,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.BOUNDED-16.pals+Problem12_label04.c Unable to find full path for "g++" [2024-11-09 06:26:34,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:26:35,436 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:26:35,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.BOUNDED-16.pals+Problem12_label04.c [2024-11-09 06:26:35,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/data/29d10392d/73225800e437461d8d07eee385abb901/FLAGb6731b396 [2024-11-09 06:26:35,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/data/29d10392d/73225800e437461d8d07eee385abb901 [2024-11-09 06:26:35,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:26:35,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:26:35,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:26:35,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:26:35,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:26:35,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:26:35" (1/1) ... [2024-11-09 06:26:35,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b83523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:35, skipping insertion in model container [2024-11-09 06:26:35,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:26:35" (1/1) ... [2024-11-09 06:26:36,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:26:36,634 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.BOUNDED-16.pals+Problem12_label04.c[26897,26910] [2024-11-09 06:26:36,732 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.BOUNDED-16.pals+Problem12_label04.c[33958,33971] [2024-11-09 06:26:37,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:26:37,657 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:26:37,723 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.BOUNDED-16.pals+Problem12_label04.c[26897,26910] [2024-11-09 06:26:37,739 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/sv-benchmarks/c/combinations/pals_lcr.8.1.ufo.BOUNDED-16.pals+Problem12_label04.c[33958,33971] [2024-11-09 06:26:38,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:26:38,349 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:26:38,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38 WrapperNode [2024-11-09 06:26:38,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:26:38,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:26:38,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:26:38,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:26:38,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:38,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:38,893 INFO L138 Inliner]: procedures = 39, calls = 25, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 5292 [2024-11-09 06:26:38,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:26:38,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:26:38,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:26:38,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:26:38,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:38,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:39,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:39,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:39,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:39,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:39,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:39,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:39,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:26:39,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:26:39,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:26:39,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:26:39,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:26:38" (1/1) ... [2024-11-09 06:26:39,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:26:39,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:26:39,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:26:39,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9611518a-cbef-4762-bf9e-ac1ec76d2c1d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:26:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:26:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:26:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:26:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:26:39,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:26:39,999 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:26:45,906 INFO L? ?]: Removed 760 outVars from TransFormulas that were not future-live. [2024-11-09 06:26:45,907 INFO L287 CfgBuilder]: Performing block encoding